Journal
PHYSICAL REVIEW B
Volume 89, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.134404
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Funding
- Center for Emergent Materials at the Ohio State University, a NSF Materials Research Science and Engineering Center [DMR-0820414]
- Department of Energy [DE-FG02-03ER46054]
- Lake Shore Cryogenics Inc.
- NanoSystems Laboratory at the Ohio State University
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We demonstrate strain tuning of magnetocrystalline anisotropy over a range of more than 1000 G in epitaxial Y3Fe5O12 films of excellent crystalline quality grown on lattice-mismatched Y3Al5O12 substrates. Ferromagnetic resonance (FMR) measurements reveal a linear dependence of both out-of-plane and in-plane uniaxial anisotropy on the strain-induced tetragonal distortion of Y3Fe5O12. Importantly, we find the spin mixing conductance G(r) determined from inverse spin Hall effect and FMR linewidth broadening remains large: G(r) = 3.33 x 10(14) Omega(-1) m(-2) in Pt/Y3Fe5O12/Y3Al5O12 heterostructures, quite comparable to the value found in Pt/Y3Fe5O12 grown on lattice-matched Gd3Ga5O12 substrates.
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